Title:
COIL COMPONENT
Document Type and Number:
WIPO Patent Application WO/2006/008878
Kind Code:
A1
Abstract:
A coil component (10) comprises a pair of upper and lower magnetic substrates (11, 12), a nonmagnetic layer (13) interposed between them, and a first and a second coil electrode (14, 15) formed in the nonmagnetic layer (13) to be spaced apart from each other in the vertical direction so as to oppose each other. The first and the second coil electrode (14, 15) have a first and a second spiral pattern electrode, respectively. The first and the second pattern electrode (141A, 151A) of the first and the second coil electrode (14, 15) are arranged on the innermost side in the vertical direction while facing each other, and the area of the first pattern electrode (141A, 151A) is larger or smaller than the area of the second pattern electrode (141B, 151B) arranged on the outside thereof.
Inventors:
MATSUTA KATSUJI (JP)
KAWAGUCHI MASAHIKO (JP)
KAWAGUCHI MASAHIKO (JP)
Application Number:
PCT/JP2005/010333
Publication Date:
January 26, 2006
Filing Date:
June 06, 2005
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
MATSUTA KATSUJI (JP)
KAWAGUCHI MASAHIKO (JP)
MATSUTA KATSUJI (JP)
KAWAGUCHI MASAHIKO (JP)
International Classes:
H01F17/00; H01F27/28; H01F37/00; H01F41/04; (IPC1-7): H01F17/00; H01F27/28; H01F37/00; H01F41/04
Foreign References:
| JP2002175921A | 2002-06-21 | |||
| JP2002190410A | 2002-07-05 | |||
| JPH0710913U | 1995-02-14 | |||
| JP2000058323A | 2000-02-25 | |||
| JP2002134319A | 2002-05-10 | |||
| JP2002110438A | 2002-04-12 | |||
| JP2004095860A | 2004-03-25 | |||
| JP2005085997A | 2005-03-31 |
Attorney, Agent or Firm:
Ohara, Hajime (14-14 Shinyokohama 2-chome, Kohoku-k, Yokohama-shi Kanagawa 33, JP)
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